Summarize the previous term in base 4 (in increasing order).

Terms

a(0) =1a(1) =11a(2) =21a(3) =1112a(4) =3112a(5) =211213a(6) =312213a(7) =212223a(8) =1110213a(9) =101011213a(10) =201111213a(11) =101112213a(12) =101112213a(13) =101112213a(14) =101112213a(15) =101112213a(16) =101112213a(17) =101112213a(18) =101112213a(19) =101112213a(20) =101112213a(21) =101112213a(22) =101112213a(23) =101112213a(24) =101112213